AMD Socket AM2+ Quad Core Processor 790GX - Manual (Page 22)

17
System Case Connections
HDL
E
D
R
ESET
VCC5 GND
VCC5
P
W
R L
E
D
P
W
RBTN
PW
R
B
T
N
PW
RL
ED
HDDLE RS
T
S
W
NC
G
ND
JW FP
Pin 1
SPEAK
SPK
R
GND NC
VCC5
Pin 1
PWRLED
Pin 1
(8) FAN Power Headers: SYSFAN1, SYSFAN2, CHAFAN (3-pin), CPUFAN (4-pin)
These connectors support cooling fans of 350mA (4.2 Watts) or less, depending on the
fan manufacturer, the wire and plug may be different. The red wire should be positive,
while the black should be ground. Connect the fan’s plug to the board taking into
consideration the polarity of connector.
FAN Power Headers
SYSFAN1
1
3
SYSFAN2
1 3
CPUFAN
1 4
GN
D
+1
2V
CP
UF
AN
IN
CP
UF
AN
O
UT
1 3
CHAFAN
(9) CD Audio-In Headers (4-pin): CDIN1
CDIN are the connectors for CD-Audio Input signal. Please connect it to CD-ROM
CD-Audio output connector.
CD Audio-In Headers
CDIN1
4 1
(10) IR infrared module Headers (5-pin): IR
This connector supports the optional wireless transmitting and receiving infrared
module. You must configure the setting through the BIOS setup to use the IR function.